Ngoc Quy Trading Production Company Limited
Bút Phong, Xã Liên Sơn, Kim Bang District
Th Stone Vietnam Joint Stock Company
Xóm Cây Thị, Xã Liễu Đô, Luc Yen District
Nghinh Phước Company Limited
25 Phan Đình Phùng, Phường 17, Phu Nhuan District
468 Hai Phong Mineral Exploitation and Trading Joint Stock Company
Thôn 5 (nhà bà Nguyễn Thị Miết), Xã Kỳ Sơn, Thuy Nguyen District